// src/pages/goods/goods.vue
<script setup lang="ts">
// 获取屏幕边界到安全区域距离
import { onLoad } from '@dcloudio/uni-app'
import { getGoodsInfoAPI } from '@/services/goods'
import { computed, ref } from 'vue'
import type { GoodsResult } from '@/types/goods'

const { safeAreaInsets } = uni.getSystemInfoSync()
import AddressPanel from './components/AddressPanel.vue'
import ServicePanel from './components/ServicePanel.vue'
import skeleton from './components/skeleton.vue'
import type {
  SkuPopupInstanceType,
  SkuPopupLocaldata,
} from '@/components/vk-data-goods-sku-popup/vk-data-goods-sku-popup'
import { postMemberCartAPI } from '@/services/cart'
// 是否显示sku组件
const isShowSku = ref(false)
// 商品信息
const localdata = ref({} as SkuPopupLocaldata)
//接受页面参数
const query = defineProps<{
  id: string
}>()
// 保持商品信息
const datainfo = ref<GoodsResult>()
//获取商品详情
const getdatainfo = async () => {
  const res = await getGoodsInfoAPI(query.id)
  datainfo.value = res.result
//   sku组件所需格式
  localdata.value = {
    _id: res.result.id,
    name: res.result.name,
    goods_thumb: res.result.mainPictures[0],
    //   商品规格名称的集合
    spec_list: res.result.specs.map((v) => {
      return {
        name: v.name,
        list: v.values,
      }
    }),
    sku_list: res.result.skus.map((v) => {
      return {
        _id: v.id,
        goods_id: res.result.id,
        goods_name: res.result.name,
        image: v.picture,
        price: v.price * 100,
        stock: v.inventory,
        sku_name_arr: v.specs.map((vv) => vv.valueName),
      }
    }),
  }
}

//设置打开模式 enum 给数字加上语义 也可以作为类型使用

enum SkuMode {
  Both = 1,
  Cart = 2,
  Buy = 3
}

const mode = ref<SkuMode>(SkuMode.Cart)
const openSkuPopup = (v: SkuMode) => {
//   打开弹框
  isShowSku.value = true
//   修改按钮模式
  mode.value = v
}

//轮播图变化
const currentIndex = ref(0)
const onchange: UniHelper.SwiperOnChange = (e) => {
  currentIndex.value = e.detail.current

}
//点击图片时
const openImage = (url: string) => {
// 参数有两个 1当前图片地址 2所有图片数组
  uni.previewImage({
    current: url,
    urls: datainfo.value!.mainPictures,
  })
}
//设置弹出层
// 未赋值之前为 undefined 限制值的选择
const popupName = ref<'address' | 'service'>()
// 获取弹出层组件 <{增加代码提示
const popup = ref<{
  open: (type?: UniHelper.UniPopupType) => void
  close: () => void
}>()
// 设置触发事件 typeof断言 强制设置类型
const openPopup = (name: typeof popupName.value) => {
  popupName.value = name
  popup.value?.open()
}
//设置骨架屏
const isSkeleton = ref(false)
//页面加载
onLoad(async () => {
  await Promise.all([getdatainfo()])
  isSkeleton.value = true
})
//获取实例
const skuPoPupRef = ref<SkuPopupInstanceType>()
//计算被选择的值
const selectArrText = computed(() => {
  return skuPoPupRef.value?.selectArr?.join(' ').trim() || '请选择商品规格'
})
//加入购物车事件
const onAddCart = async (e) => {
  await postMemberCartAPI({
    skuId: e._id,
    count: e.buy_num,
  })
  await uni.showToast({ title: '添加成功' })
  isShowSku.value = false
}
</script>

<template>
  <template v-if="isSkeleton">
    <!--    sku弹窗组件-->
    <vk-data-goods-sku-popup
      v-model="isShowSku"
      :localdata="localdata"
      :mode="mode"
      add-cart-background-color="#FFA868"
      buy-now-background-color="#27BA9B"
      ref="skuPoPupRef"
      :actived-style="{
      color: '#27BA9B',
      borderColor: '#27BA9B',
      backgroundColor: '#E9F8F5',
    }"
      @add-cart="onAddCart"
    />
    <scroll-view scroll-y class="viewport">
      <!-- 基本信息 -->
      <view class="goods">
        <!-- 商品主图 -->
        <view class="preview">
          <swiper circular @change="onchange">
            <swiper-item
              v-for="item in datainfo?.mainPictures"
              :key="item"
            >
              <image
                mode="aspectFill"
                :src="item"
                @tap="openImage(item)"
              />
            </swiper-item>

          </swiper>
          <view class="indicator">
            <text class="current">{{ currentIndex + 1 }}</text>
            <text class="split">/</text>
            <text class="total">{{ datainfo?.mainPictures.length }}</text>
          </view>
        </view>

        <!-- 商品简介 -->
        <view class="meta">
          <view class="price">
            <text class="symbol">¥</text>
            <text class="number">{{ datainfo?.price }}</text>
          </view>
          <view class="name ellipsis">{{ datainfo?.name }}</view>
          <view class="desc"> {{ datainfo?.desc }}</view>
        </view>

        <!-- 操作面板 -->
        <view class="action">
          <view class="item arrow" @tap="openSkuPopup(SkuMode.Both)">
            <text class="label">选择</text>
            <text class="text ellipsis"> {{ selectArrText }}</text>
          </view>
          <view class="item arrow" @tap="openPopup('address')">
            <text class="label">送至</text>
            <text class="text ellipsis"> 请选择收获地址</text>
          </view>
          <view class="item arrow" @tap="openPopup('service')">
            <text class="label">服务</text>
            <text class="text ellipsis"> 无忧退 快速退款 免费包邮</text>
          </view>
        </view>
      </view>

      <!-- 商品详情 -->
      <view class="detail panel">
        <view class="title">
          <text>详情</text>
        </view>
        <view class="content">
          <view class="properties">
            <!-- 属性详情 -->
            <view class="item" v-for="item in datainfo?.details.properties">
              <text class="label">{{ item.name }}</text>
              <text class="value">{{ item.value }}</text>
            </view>

          </view>
          <!-- 图片详情 -->
          <image
            v-for="item in datainfo?.details.pictures"
            mode="widthFix"
            :src="item"
          ></image>

        </view>
      </view>

      <!-- 同类推荐 -->
      <view class="similar panel">
        <view class="title">
          <text>同类推荐</text>
        </view>
        <view class="content">
          <navigator
            v-for="item in datainfo?.similarProducts"
            :key="item.id"
            class="goods"
            hover-class="none"
            :url="`/pages/goods/goods?id=${item.id}`"
          >
            <image
              class="image"
              mode="aspectFill"
              :src="item.picture"
            ></image>
            <view class="name ellipsis">{{ item.name }}</view>
            <view class="price">
              <text class="symbol">¥</text>
              <text class="number">{{ item.price }}</text>
            </view>
          </navigator>
        </view>
      </view>
    </scroll-view>

    <!-- 用户操作 -->
    <view class="toolbar" :style="{ paddingBottom: safeAreaInsets?.bottom + 'px' }">
      <view class="icons">
        <button class="icons-button">
          <text class="icon-heart"></text>
          收藏
        </button>
        <button class="icons-button" open-type="contact">
          <text class="icon-handset"></text>
          客服
        </button>
        <navigator class="icons-button" url="/pages/cart/cart_2" open-type="navigate">
          <text class="icon-cart"></text>
          购物车
        </navigator>
      </view>
      <view class="buttons">
        <view class="addcart" @tap="openSkuPopup(SkuMode.Cart)"> 加入购物车</view>
        <view class="buynow" @tap="openSkuPopup(SkuMode.Buy)"> 立即购买</view>
      </view>
    </view>
    <!--弹出层-->
    <uni-popup ref="popup" type="bottom" background-color="#fff">
      <AddressPanel
        v-if="popupName === 'address'"
        @close="popup?.close"
      ></AddressPanel>
      <ServicePanel v-if="popupName === 'service'"
                    @close="popup?.close"

      ></ServicePanel>
    </uni-popup>
  </template>
  <!--  骨架屏 -->
  <skeleton v-if="!isSkeleton"></skeleton>
</template>

<style lang="scss">
page {
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.viewport {
  background-color: #f4f4f4;
}

.panel {
  margin-top: 20rpx;
  background-color: #fff;

  .title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 90rpx;
    line-height: 1;
    padding: 30rpx 60rpx 30rpx 6rpx;
    position: relative;

    text {
      padding-left: 10rpx;
      font-size: 28rpx;
      color: #333;
      font-weight: 600;
      border-left: 4rpx solid #27ba9b;
    }

    navigator {
      font-size: 24rpx;
      color: #666;
    }
  }
}

.arrow {
  &::after {
    position: absolute;
    top: 50%;
    right: 30rpx;
    content: '\e6c2';
    color: #ccc;
    font-family: 'erabbit' !important;
    font-size: 32rpx;
    transform: translateY(-50%);
  }
}

/* 商品信息 */
.goods {
  background-color: #fff;

  .preview {
    height: 750rpx;
    position: relative;

    .image {
      width: 750rpx;
      height: 750rpx;
    }

    .indicator {
      height: 40rpx;
      padding: 0 24rpx;
      line-height: 40rpx;
      border-radius: 30rpx;
      color: #fff;
      font-family: Arial, Helvetica, sans-serif;
      background-color: rgba(0, 0, 0, 0.3);
      position: absolute;
      bottom: 30rpx;
      right: 30rpx;

      .current {
        font-size: 26rpx;
      }

      .split {
        font-size: 24rpx;
        margin: 0 1rpx 0 2rpx;
      }

      .total {
        font-size: 24rpx;
      }
    }
  }

  .meta {
    position: relative;
    border-bottom: 1rpx solid #eaeaea;

    .price {
      height: 130rpx;
      padding: 25rpx 30rpx 0;
      color: #fff;
      font-size: 34rpx;
      box-sizing: border-box;
      background-color: #35c8a9;
    }

    .number {
      font-size: 56rpx;
    }

    .brand {
      width: 160rpx;
      height: 80rpx;
      overflow: hidden;
      position: absolute;
      top: 26rpx;
      right: 30rpx;
    }

    .name {
      max-height: 88rpx;
      line-height: 1.4;
      margin: 20rpx;
      font-size: 32rpx;
      color: #333;
    }

    .desc {
      line-height: 1;
      padding: 0 20rpx 30rpx;
      font-size: 24rpx;
      color: #cf4444;
    }
  }

  .action {
    padding-left: 20rpx;

    .item {
      height: 90rpx;
      padding-right: 60rpx;
      border-bottom: 1rpx solid #eaeaea;
      font-size: 26rpx;
      color: #333;
      position: relative;
      display: flex;
      align-items: center;

      &:last-child {
        border-bottom: 0 none;
      }
    }

    .label {
      width: 60rpx;
      color: #898b94;
      margin: 0 16rpx 0 10rpx;
    }

    .text {
      flex: 1;
      -webkit-line-clamp: 1;
    }
  }
}

/* 商品详情 */
.detail {
  padding-left: 20rpx;

  .content {
    margin-left: -20rpx;

    .image {
      width: 100%;
    }
  }

  .properties {
    padding: 0 20rpx;
    margin-bottom: 30rpx;

    .item {
      display: flex;
      line-height: 2;
      padding: 10rpx;
      font-size: 26rpx;
      color: #333;
      border-bottom: 1rpx dashed #ccc;
    }

    .label {
      width: 200rpx;
    }

    .value {
      flex: 1;
    }
  }
}

/* 同类推荐 */
.similar {
  .content {
    padding: 0 20rpx 200rpx;
    background-color: #f4f4f4;
    display: flex;
    flex-wrap: wrap;

    .goods {
      width: 340rpx;
      padding: 24rpx 20rpx 20rpx;
      margin: 20rpx 7rpx;
      border-radius: 10rpx;
      background-color: #fff;
    }

    .image {
      width: 300rpx;
      height: 260rpx;
    }

    .name {
      height: 80rpx;
      margin: 10rpx 0;
      font-size: 26rpx;
      color: #262626;
    }

    .price {
      line-height: 1;
      font-size: 20rpx;
      color: #cf4444;
    }

    .number {
      font-size: 26rpx;
      margin-left: 2rpx;
    }
  }

  navigator {
    &:nth-child(even) {
      margin-right: 0;
    }
  }
}

/* 底部工具栏 */
.toolbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  background-color: #fff;
  height: 100rpx;
  padding: 0 20rpx var(--window-bottom);
  border-top: 1rpx solid #eaeaea;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-sizing: content-box;

  .buttons {
    display: flex;

    & > view {
      width: 220rpx;
      text-align: center;
      line-height: 72rpx;
      font-size: 26rpx;
      color: #fff;
      border-radius: 72rpx;
    }

    .addcart {
      background-color: #ffa868;
    }

    .buynow,
    .payment {
      background-color: #27ba9b;
      margin-left: 20rpx;
    }
  }

  .icons {
    padding-right: 10rpx;
    display: flex;
    align-items: center;
    flex: 1;

    .icons-button {
      flex: 1;
      text-align: center;
      line-height: 1.4;
      padding: 0;
      margin: 0;
      border-radius: 0;
      font-size: 20rpx;
      color: #333;
      background-color: #fff;

      &::after {
        border: none;
      }
    }

    text {
      display: block;
      font-size: 34rpx;
    }
  }
}
</style>
